alex wrote:
And he's one of those people who goes on and on about the "sanctity of marriage"

Yes, and like many conservatives who attempt to legislate the personal lives of others when they can't even keep their own pants zipped, as is the case with McCain, they can always fall back on that famous and simple-minded ploy, "I strayed, but my wife and God forgave me, and I'm a better man for it!"
Getting God to back you up is one of the first lessons in Getting Laid 101 for conservatives.
It also works pretty well for instigating foreign wars and deflecting one's own responsibility for the deaths of tens of thousands of people - all you have to do is say that you consulted a higher power, as George W. Bush did, and you're good to go.
It's all God's doing, y'know!